鍵 けん noun (common) (futsuumeishi) Also 鍵: かぎ key か Ka かぎ Kagi かぎさき Kagisaki けん Ken 鍵けん Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) key (on a piano, organ, etc.) 漢字 kanji used 鍵 key 17画